An independent reference archive
The Triumph Stag — An Independent Reference Archive
The definitive guide to Triumph's 1970–1977 V8 grand tourer — its history, its famous engine, and how to buy, run and fix one.
In brief
The Triumph Stag is a Michelotti-styled four-seat convertible with a Triumph 3.0-litre V8, of which only 25,939 were built. Famous for a troubled engine that is now thoroughly sorted, it enjoys an exceptional survival rate and is supported by the largest single-model owners' club in the world.
Where to next
Start here
Five destinations most owners and prospective owners reach for first.
- 01
The V8 Engine
Triumph's own 3.0-litre V8 — how it was designed, why it earned its reputation, and why a sorted one is now dependable.
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- 02
Fault Finding
Symptom-first diagnosis, from cooling and ignition to fuelling, electrics and driveline.
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- 03
Buying Guide
What to inspect, what to walk away from, and how to price a Stag honestly by condition.
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- 04
Ownership
Servicing, seasonal use, storage and the running rhythm of a usable classic grand tourer.
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- 05
Registry
A growing record of surviving Stags, contributed by owners and organised by chassis.
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- 06
FAQ
Every common Triumph Stag question — history, engine, buying, values — answered in one searchable place.
Read section →
By the numbers
The Stag, briefly
- Built at Canley, 1970–1977
- 25,939
- Survival rate
- ~46%
- Triumph V8
- 2,997 cc
- At 5,500 rpm
- 145 bhp
- Production run
- 1970–1977
Figures reflect documented production totals and cited survival research. Corrections with sources are welcome.